The full transcript of Bill Gates’ keynote can be found here.
Just a small pice:
“The 2007 Office system has a number of elements in it. Probably the people here have seen as we've come on we're adding to each of these areas. The tools themselves, of course, big improvements, the Office Online Services, the client software in Office, and then, of course, the strength of the server piece, which I would say has grown dramatically in this release. The role of SharePoint, and you are going to hear about that, as the basis for this new class of applications, the basis for a new way of being able to share information, I think that will be a very, very strong change that you'll hear throughout the several days here.
The breadth of what we've done in Office 2007, even I think is quite amazing. If we'd only done the XML, that would have been a huge thing. If we'd only done user interface, or the neat new features, any of those would have been fantastic, but the most important is the idea of this new platform, making it very easy through templates to build the collaborative, information sharing applications. Even concepts like blogging or Wikipedias are just simply there, and you can pull it into the SharePoint environment to have your users use these modern approaches for working together, and yet it can be in the context of the project that they're working on, or the issue that's being debated with the structured information and unstructured information all there in one simple place.
So, the scenarios we really think we've made a breakthrough on includes business intelligence, collaboration, content management, and business process integration. And yet, we've done that without having separate tools for each one of those things. We've essentially taken on the server level SharePoint, and of course the Office client on the PC itself as the way that a lot of those scenarios can be addressed. So, it's in a sense standardizing and greatly simplifying the creation of a world class of applications that in most cases we're either very hard to do or just simply didn't get done at all. “

Bill (sorry for poor quality) 